Table 6

Review of IPR in unruptured aneurysms in recent studies

ReferenceNo. of UIAsAneurysm sizeIPR, %Morbidity rate, %Mortality rate, %
Zheng et al  8 1127N/A11 (1.0)N/AN/A
Santillan et al  4 217<7 mm: 303
≧7 mm: 95
3 (1.1)0 (0)0 (0)
Shigematsu et al 1 4767−5 mm: 1688
5–10 mm: 2476
10 mm–: 603
65 (1.4)N/AN/A
Oishi et al 5 5005.1±1.7 mm7 (1.4)0 (0)0 (0)
Im et al 6 4354.5 mm4 (0.9)0 (0)0 (0)
Pierot et al 7 739−6 mm: 435
7 mm–: 304
18 (2.4)5 (0.5)3 (0.3)
  • IPR, intraprocedural rupture; N/A, not available; UIAs, unruptured intracranial aneurysms.